Global Patent Index - EP 3992238 A1

EP 3992238 A1 20220504 - POLYMER COMPOSITION, CROSSLINKED PRODUCT, AND TIRE

Title (en)

POLYMER COMPOSITION, CROSSLINKED PRODUCT, AND TIRE

Title (de)

POLYMERZUSAMMENSETZUNG, VERNETZTES PRODUKT UND REIFEN

Title (fr)

COMPOSITION POLYMÈRE, PRODUIT RÉTICULÉ ET PNEUMATIQUE

Publication

EP 3992238 A1 20220504 (EN)

Application

EP 21204651 A 20211026

Priority

JP 2020183168 A 20201030

Abstract (en)

A polymer composition contains:(A) a conjugated diene-based polymer having a carbon-carbon unsaturated bond and exhibiting a value θ of 0.75 or more as determined by formula (i): θ=p+0.5×r/p+q+0.5×r+s wherein p, q, r, and s are respectively the proportions by mole of structural units represented by formulae (1), (2), (3), and (4) in the polymer:and(B) at least one component selected from the group consisting of water-soluble particles and water-soluble fiber.

IPC 8 full level

C08L 9/00 (2006.01); B60C 1/00 (2006.01); C08K 7/02 (2006.01); C08K 7/16 (2006.01); C08K 7/22 (2006.01); C08L 9/06 (2006.01); C08L 15/00 (2006.01)

CPC (source: EP)

B60C 1/0016 (2013.01); B60C 1/0025 (2013.01); C08K 7/22 (2013.01); C08L 9/00 (2013.01); C08L 9/06 (2013.01); C08L 15/00 (2013.01); B60C 1/00 (2013.01); C08K 3/04 (2013.01); C08K 3/36 (2013.01)

C-Set (source: EP)

C08K 7/22 + C08L 9/06

Citation (applicant)

Citation (search report)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 3992238 A1 20220504; JP 2022073281 A 20220517; JP 7569201 B2 20241017

DOCDB simple family (application)

EP 21204651 A 20211026; JP 2020183168 A 20201030